Step 1: Lay two strips folded in half in front of you with the ends of the left-hand strips pointing north and the ends of the right-hand strips pointing south. Take a third folded strip and place it across the two strips so that only the bottom layer of the west facing strip is under the top layer of the right-handed strip, but both ends that are pointing west are between the layers of the left-handed strip. Place the fourth strip below the third strip so that it is exactly opposite.

Step 2: Pull the ends of the strips away from each other to form a square knot in the center.

Step 3: Fold and crease the top west-pointing strip to the east over the center square so that it lies next to the east-pointing strips. Then fold and crease the top east-pointing strip to the west over the center square so that it lies next to the west-pointing strip.

Step 4: Lift up the bottom west-pointing strip to find the loop underneath. Then take the top north-pointing strip and weave it through that loop (over the fold of the upper east-pointing strip). Crease. Repeat by taking the top south-pointing strip and weaving it through the loop (over the fold of the lower west-pointing strip) that is underneath the upper east-pointing strip. Crease.